problem03_20

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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3.20: a) If air resistance is to be ignored, the components of acceleration are 0 horizontally and 2 s m 80 . 9 - = - g vertically. b) The x -component of velocity is constant at s m 55 . 7 0 . 51 cos ) s m 0 . 12 ( = ° = x v . The y -component is s m 32 . 9 0 . 51 sin ) s m 0 . 12 ( 0 = ° = y v at release and s m 06 . 11 ) s 08 . 2 )( s m 80 . 9 ( ) s m 57 . 10 ( 2 0 - = - = - gt v
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Unformatted text preview: c) m 7 15 s) 08 . 2 )( s m 55 . 7 ( . t v x = = . d) The initial and final heights are not the same. e) With = y and v 0y as found above, solving Eq. (3.18) for m 81 . 1 = y . f)...
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• Acceleration, Velocity, final heights, shot hits.

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